32224213212 has 24 divisors (see below), whose sum is σ = 75194199696. Its totient is φ = 10740780288.

The previous prime is 32224213211. The next prime is 32224213249. The reversal of 32224213212 is 21231242223.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32224213211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168198 + ... + 304530.

It is an arithmetic number, because the mean of its divisors is an integer number (3133091654).

Almost surely, 2^32224213212 is an apocalyptic number.

It is an amenable number.

32224213212 is an abundant number, since it is smaller than the sum of its proper divisors (42969986484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32224213212 is a wasteful number, since it uses less digits than its factorization.

32224213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156037 (or 156035 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 32224213212 its reverse (21231242223), we get a palindrome (53455455435).

The spelling of 32224213212 in words is "thirty-two billion, two hundred twenty-four million, two hundred thirteen thousand, two hundred twelve".